ES2218090T3 - WATER FILTER DEVICE IN A POOL GLASS. - Google Patents
WATER FILTER DEVICE IN A POOL GLASS.Info
- Publication number
- ES2218090T3 ES2218090T3 ES00420255T ES00420255T ES2218090T3 ES 2218090 T3 ES2218090 T3 ES 2218090T3 ES 00420255 T ES00420255 T ES 00420255T ES 00420255 T ES00420255 T ES 00420255T ES 2218090 T3 ES2218090 T3 ES 2218090T3
- Authority
- ES
- Spain
- Prior art keywords
- sleeve
- water
- filter
- pool
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000005026 oriented polypropylene Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 244000019459 Cynara cardunculus Species 0.000 description 1
- 235000019106 Cynara scolymus Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 235000016520 artichoke thistle Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/27—Filter bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/02—Filtering elements having a conical form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Farming Of Fish And Shellfish (AREA)
- Physical Water Treatments (AREA)
- Eye Examination Apparatus (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Dispositivo de filtrado del agua en un vaso de piscina.Water filtering device in a glass of swimming pool.
La invención se refiere al sector técnico del filtrado del agua de los vasos de piscinas.The invention relates to the technical sector of the Water filtration from pool glasses.
Se conocen diferentes medios para realizar el filtrado del agua y, particularmente, el filtrado del agua de los vasos de piscinas. Por ejemplo, se pueden citar, a modo de indicación no limitativa, los filtros de arena, los cartuchos filtrantes,... Más concretamente la invención se refiere a un dispositivo de filtrado del tipo definido en la patente FR 89.13638, de la que los solicitantes de la presente son también titulares.Different means are known to perform the water filtration and, in particular, water filtration of Pool glasses For example, they can be cited, by way of non-limiting indication, sand filters, cartridges Filtering, ... More specifically the invention relates to a filtering device of the type defined in the FR patent 89.13638, of which the applicants here are also Headlines.
El dispositivo de filtrado descrito en esta patente, incluye un sistema de aspiración y de descarga con filtro. El filtro está constituido por un manguito y un soporte en forma de pozo cuyo fondo está en contacto con el sistema de aspiración. El manguito está abierto en uno de sus extremos y cerrado en el otro extremo opuesto y está compuesto por un material no tejido de fieltro agujeteado con capacidad de filtrado. El manguito tiene una forma troncónica de sección degresiva en dirección a su extremo cerrado. El manguito va montado dentro del pozo de modo que pueda sacarse para lavarlo. El extremo abierto del manguito encaja con medios de colocación y de retención con respecto al pozo.The filtering device described in this patent, includes a suction and discharge system with filter. The filter consists of a sleeve and a support in the form of well whose bottom is in contact with the suction system. The sleeve is open at one end and closed at the other opposite end and is composed of a non-woven material of Felted hole with filtering capacity. The cuff has a truncated form of degressive section towards its end closed. The sleeve is mounted inside the well so that it can Take out to wash it. The open end of the sleeve fits with means of placement and retention with respect to the well.
Para realizar el filtrado, el fondo del pozo va acoplado al sistema de aspiración de modo que el agua que llega directamente, por el extremo abierto del manguito, es evacuada por el sistema de aspiración y de descarga, dentro del vaso de la piscina, tras haber sido sometida al poder filtrante de dicho manguito.To filter, the bottom of the well goes coupled to the suction system so that the water that arrives directly, through the open end of the sleeve, it is evacuated by the suction and discharge system, inside the vessel of the pool, after being subjected to the filtering power of said sleeve.
Esta solución tiene numerosas ventajas con respecto a la técnica existente en el campo del filtrado. En efecto, como se ha indicado, el manguito de filtrado como tal va montado dentro del pozo, pudiendo sacarse para facilitar el lavado.This solution has numerous advantages with regarding the existing technique in the field of filtering. In effect, as indicated, the filter sleeve as such is going mounted inside the well, being able to be removed to facilitate washed.
Por el contrario, la operación de lavado del manguito de filtrado, a veces, puede resultar molesta. No es práctico sin embargo tirarlo cada vez que se utiliza para cambiarlo por un manguito nuevo. En efecto, el manguito, en forma de fieltro agujeteado, no ha sido diseñado para desecharlo después de cada uso, teniendo en cuenta los costes que esto implica.On the contrary, the washing operation of the Filtering sleeve may sometimes be annoying. It is not practical however throw it every time it is used to change it for a new sleeve. Indeed, the sleeve, in the form of felt bored, not designed to be discarded after each use, taking into account the costs that this implies.
Se puede citar también lo expuesto en la patente US 4.818.398. Esta patente divulga un manguito filtrante montado dentro de un cilindro rígido cuya periferia está taladrada con diversos agujeros. El manguito filtrante puede quitarse para la limpieza. El sistema de filtrado descrito en esta patente se utiliza concretamente para la separación de las partículas sólidas en los líquidos y, particularmente, en las industrias químicas y petroleras. Tal sistema de filtrado puede adaptarse difícilmente al filtrado del agua de los vasos de piscinas.You can also cite what is stated in the patent US 4,818,398. This patent discloses a mounted filter sleeve inside a rigid cylinder whose periphery is drilled with various holes The filter sleeve can be removed for cleaning. The filtering system described in this patent is used specifically for the separation of solid particles in the liquids and, particularly, in the chemical industries and oil companies Such filtering system can hardly adapt to Water filtration from pool glasses.
El problema que trata de resolver la invención, en el campo técnico del filtrado de los vasos de piscinas, es poder quitar y/o eventualmente lavar el elemento filtrante tras un tiempo de filtrado considerado como normal. Evidentemente, por el tipo desechable del elemento filtrante, es necesario seleccionar un material teniendo en cuenta su capacidad de filtrado, su resistencia mecánica, su resistencia en el agua y su precio de coste que debe ser particularmente bajo.The problem trying to solve the invention, in the technical field of filtering pool glasses, it is power remove and / or wash the filter element after a while of filtering considered normal. Obviously, by type disposable filter element, it is necessary to select a material taking into account its filtering capacity, its resistance mechanics, its resistance in water and its cost price Be particularly low.
Para resolver tal problema, se ha diseñado y puesto a punto un dispositivo de filtrado del agua de un vaso de piscina mediante un conjunto filtrante conforme a las características de la reivindicación 1.To solve such a problem, it has been designed and tuned a water filtering device of a glass of pool through a filter assembly according to the characteristics of claim 1.
Para resolver el problema planteado de asegurar el montaje del elemento filtrante respecto al pozo, el extremo abierto del manguito que constituye el primer elemento va equipado con medios de apoyo y de posicionamiento que encajan con la abertura del pozo. El extremo abierto del manguito que constituye el segundo elemento está vuelto alrededor de los medios de apoyo y de posicionamiento.To solve the problem of ensuring the mounting of the filter element with respect to the well, the end open the sleeve that constitutes the first element is equipped with support and positioning means that fit the opening from the well. The open end of the sleeve that constitutes the second element is turned around the means of support and of positioning
Preferentemente, cada manguito tiene una forma troncónica de sección degresiva en dirección a su extremo libre.Preferably, each sleeve has a shape truncated degressive section in the direction of its free end.
La invención se expone a continuación con más detalle mediante las figuras de los planos anexos en los que:The invention is set forth below with more detail through the figures of the attached plans in which:
- la figura 1 es una vista en perspectiva antes del montaje de los principales elementos del dispositivo de filtrado según la invención;- Figure 1 is a perspective view before of the assembly of the main elements of the filtering device according to the invention;
- la figura 2 es una vista en sección longitudinal del dispositivo de filtrado;- Figure 2 is a sectional view longitudinal of the filtering device;
- la figura es una vista en sección de tipo esquemático que muestra la aplicación del dispositivo de filtrado del bloque compacto de piscina con sistema de aspiración y de descarga.- the figure is a sectional view of type schematic showing the application of the filtering device of the compact pool block with suction system and download.
De modo conocido, el conjunto filtrante es montado en un pozo cilíndrico (1) cuyo fondo está sujeto en (1a) a un sistema de aspiración y de descarga con objeto de que el agua, por la depresión creada bajo el efecto de la aspiración, pueda pasar a través del conjunto filtrante y ser evacuada por dicho sistema de aspiración y de descarga dentro del vaso de la piscina, tras haber sido sometida al poder filtrante de dicho conjunto.In a known way, the filter assembly is mounted on a cylindrical well (1) whose bottom is attached in (1a) to a suction and discharge system so that the water, by the depression created under the effect of aspiration, may happen through the filter assembly and be evacuated by said system of suction and discharge into the pool glass, after having been subjected to the filtering power of said set.
Según la invención, el conjunto filtrante está constituido por un primer elemento (2) de material desechable y con capacidad de filtrado. Este primer elemento (2) encaja con un segundo elemento (3) que sirve de armadura de posicionamiento y de rigidez y permite dejar pasar el agua y retener ciertas impurezas. Los elementos (2 y 3) están constituidos por un manguito abierto en uno de sus extremos y cerrado en su otro extremo opuesto. El primer elemento (2) se alojará dentro del segundo elemento (3) que constituye una armadura de rigidez y de posicionamiento.According to the invention, the filter assembly is constituted by a first element (2) of disposable material and with filtering capacity This first element (2) fits with a second element (3) that serves as positioning armor and rigidity and allows water to pass and retain certain impurities. The elements (2 and 3) are constituted by an open sleeve in one of its ends and closed at its other opposite end. The first element (2) will be housed within the second element (3) that It constitutes a rigidity and positioning reinforcement.
El primer elemento (2) es de tejido de polipropileno termoligado con gran capacidad de filtrado. Este tejido de polipropileno termoligado constituye una estructura de malla que delimita intersticios de aproximadamente 15 micras. El segundo elemento (3) que constituye el manguito soporte de rigidez (3), es de tejido de polipropileno agujeteado con baja capacidad de filtrado. Este tejido de polipropileno agujeteado constituye una estructura perforada que delimita intersticios de aproximadamente 50 micras.The first element (2) is made of thermo-bonded polypropylene with high filtering capacity. East thermo-bonded polypropylene fabric constitutes a structure of mesh that delimits interstices of approximately 15 microns. The second element (3) that constitutes the stiffening support sleeve (3), it is made of perforated polypropylene fabric with low capacity filtered out. This perforated polypropylene fabric constitutes a perforated structure that delimits interstices of approximately 50 microns
Sin apartarse del marco de la invención, el segundo elemento (3) puede estar constituido por un cuerpo volumétrico de forma general cilíndrica particularmente, que constituye una estructura rígida o semirrígida y perforada en su periferia.Without departing from the framework of the invention, the second element (3) may be constituted by a body volumetric generally cylindrical in particular that it constitutes a rigid or semi-rigid structure and perforated in its periphery.
Los elementos (2 y 3) tienen una forma troncónica de sección degresiva en dirección a su extremo cerrado.The elements (2 and 3) have a truncated shape degressive section towards its closed end.
El extremo abierto del segundo elemento (3), dispone de medios de apoyo y de posicionamiento, en forma de un collarín (4) que permite el apoyo sobre el borde periférico superior de la abertura del pozo cilíndrico (1). Este collarín (4) va fijado al segundo elemento (3), de modo desmontable mediante por ejemplo un sistema de cintas complementarias macho-hembra de tipo autoadherente, sin excluir por ello otros medios de fijación.The open end of the second element (3), it has support and positioning means, in the form of a collar (4) that allows support on the upper peripheral edge of the opening of the cylindrical well (1). This collar (4) is fixed to the second element (3), detachably by means of for example a male-female complementary tape system self-adhesive type, without excluding other means of fixation.
El primer elemento (2) va alojado dentro del segundo elemento (3) y vuelto en su extremo abierto con respecto al collarín (4). De este modo, el segundo elemento (3), equipado con el primer elemento (2), está alojado en el interior del pozo (1), apoyándose el collarín (4) sobre el reborde de la abertura de dicho pozo (1). Un prefiltro (5) va montado en el segundo elemento (3). La figura 2 muestra el montaje del dispositivo de filtrado.The first element (2) is housed within the second element (3) and turned at its open end with respect to the collar (4). Thus, the second element (3), equipped with the first element (2), is housed inside the well (1), resting the collar (4) on the flange of the opening of said well (1). A prefilter (5) is mounted on the second element (3). The Figure 2 shows the assembly of the filtering device.
En caso de aplicación del dispositivo para el filtrado del agua de un vaso de piscina, el pozo cilíndrico (1), equipado como se ha indicado con el conjunto de filtrado según las características de la invención, es montado en un conjunto compacto (E) en forma de bloque o de panel. El pozo cilíndrico (1) va unido por medio de la alcachofa (1a) al circuito de aspiración (A) de una bomba (P). La puesta en marcha de la bomba (P) crea una depresión dentro del pozo cilíndrico (1). El agua, procedente del vaso de la piscina, pasa a través de una abertura conocida con el nombre de SKIMMER para ser aspirada a través de los elementos (2-3) y luego descargada dentro del vaso de la piscina.In case of application of the device for filtered water from a pool glass, the cylindrical well (1), equipped as indicated with the filter set according to the characteristics of the invention, is mounted in a compact set (E) in block or panel form. The cylindrical well (1) is attached by means of the artichoke (1a) to the suction circuit (A) of a pump (P). The start-up of the pump (P) creates a depression inside the cylindrical well (1). The water, coming from the glass of the pool, passes through an opening known as SKIMMER to be aspirated through the elements (2-3) and then discharged into the glass of the swimming pool.
Cuando el usuario considera que el elemento de filtrado está sucio, basta con quitar el primer elemento (2) lleno de diferentes impurezas, tirarlo y sustituirlo por otro totalmente nuevo.When the user considers the element of filtering is dirty, just remove the first element (2) full of different impurities, throw it away and replace it with another totally new.
Teniendo en cuenta estas disposiciones, ya no es necesario lavar el elemento filtrante. Hay que señalar que no es necesario quitar el segundo elemento (3) cada vez que se cambien los elementos (2).Given these provisions, it is no longer It is necessary to wash the filter element. It should be noted that it is not it is necessary to remove the second element (3) each time the elements (2).
Las ventajas se deducen de la descripción.The advantages are deduced from the description.
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9915924 | 1999-12-13 | ||
| FR9915924A FR2802112B1 (en) | 1999-12-13 | 1999-12-13 | DEVICE FOR FILTERING THE WATER OF A POOL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2218090T3 true ES2218090T3 (en) | 2004-11-16 |
Family
ID=9553370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00420255T Expired - Lifetime ES2218090T3 (en) | 1999-12-13 | 2000-12-08 | WATER FILTER DEVICE IN A POOL GLASS. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1108457B1 (en) |
| AT (1) | ATE262969T1 (en) |
| DE (1) | DE60009429T2 (en) |
| ES (1) | ES2218090T3 (en) |
| FR (1) | FR2802112B1 (en) |
| PT (1) | PT1108457E (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070215533A1 (en) * | 2004-03-30 | 2007-09-20 | Dr. Tittgen Biotechnologie | Filter With Support Cage |
| FR3090392B1 (en) * | 2018-12-21 | 2023-06-09 | Innovation Pool Factory | FILTRATION ASSEMBLY FOR POOL MAINTENANCE |
| FR3112965B1 (en) * | 2020-07-31 | 2022-12-23 | Mdb Texinov | TWO-LAYER FILTER |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3419151A (en) * | 1966-11-15 | 1968-12-31 | American Felt Co | Strainer bag construction |
| US4818398A (en) * | 1987-12-21 | 1989-04-04 | Lott W Gerald | Filter system with readily replaceable filter element |
| US5137632A (en) * | 1989-10-04 | 1992-08-11 | Morgan Jr Howard W | Optional self-retaining filter bag |
| FR2652758B1 (en) * | 1989-10-11 | 1992-04-17 | Desjoyaux Catherine | DEVICE FOR FILTERING A LIQUID, PARTICULARLY FOR A POOL. |
-
1999
- 1999-12-13 FR FR9915924A patent/FR2802112B1/en not_active Expired - Fee Related
-
2000
- 2000-12-08 DE DE60009429T patent/DE60009429T2/en not_active Expired - Lifetime
- 2000-12-08 ES ES00420255T patent/ES2218090T3/en not_active Expired - Lifetime
- 2000-12-08 AT AT00420255T patent/ATE262969T1/en active
- 2000-12-08 EP EP00420255A patent/EP1108457B1/en not_active Expired - Lifetime
- 2000-12-08 PT PT00420255T patent/PT1108457E/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE60009429D1 (en) | 2004-05-06 |
| DE60009429T2 (en) | 2005-02-24 |
| FR2802112A1 (en) | 2001-06-15 |
| EP1108457B1 (en) | 2004-03-31 |
| PT1108457E (en) | 2004-08-31 |
| ATE262969T1 (en) | 2004-04-15 |
| FR2802112B1 (en) | 2002-01-25 |
| EP1108457A1 (en) | 2001-06-20 |
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